package io;

import java.io.FileInputStream;

import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo02<data> {
    public static void main(String[] args) throws IOException {
        FileInputStream fis=new FileInputStream("PPT.pptx");
        FileOutputStream fos=new FileOutputStream("PPT_CP2.pptx");



        byte[] data =new byte[1024*10];
        int len;
        long start=System.currentTimeMillis();
        while((len=fis.read(data))!=-1){
            fos.write(data);

    }
        long end=System.currentTimeMillis();
        System.out.println("复制完毕!,耗时："+(end-start)+"ms");
        fis.close();
        fos.close();
}
}